Montana, 2020

High Wind in Montana, November 13 to 14, 2020

November 13 to 14, 2020 · NWS GGW · 2 events in 2 counties and zones

The weather pattern directed strong upper-level winds across the area. Colder air and shower activity aided in bringing some of the stronger winds down to the surface for a few isolated locations in Valley and southwest Phillips Counties.

Where it happened

Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
2

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS GGW wrote it up.

The weather pattern directed strong upper-level winds across the area. Colder air and shower activity aided in bringing some of the stronger winds down to the surface for a few isolated locations in Valley and southwest Phillips Counties.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

2 high wind. Local standard time, as filed.

High Wind, Little Rocky Mountains

When
November 13, 9:15 PM MST to November 14, 5:38 AM MST
Where
Little Rocky Mountains forecast zone
Measured
52 kt (60 mph) measured gust
Reported by
Department of Highways
Coordinates
48.259, -107.913 (the zone’s center; the record gives no point)

At the Malt South US-191 DOT site (MTMAL), sustained winds near or greater than 40 mph lasted from the night of November 13th through the early morning of November 14th, with multiple periods of gusts in excess of 50 mph. The peak wind gust of 60 mph was measured at 1:07 AM on November 14th.

High Wind, Central and Southern Valley

When
November 14, 12:40 PM MST
Where
Central and Southern Valley forecast zone
Measured
51 kt (59 mph) measured gust
Reported by
Mesonet
Coordinates
48.365, -106.667 (the zone’s center; the record gives no point)

At the Saint Maire MARCO mesonet site (07MT), amid a steady 25 to 35 mph wind, a sudden wind gust of 59 mph was recorded at 12:40 PM.

What these are

High Wind
Sustained non-thunderstorm winds of 40 mph or more for an hour, or gusts of 58 mph or more.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Montana in 2020Every state in 2020This day in weather historyWarnings in Montana, November 2020

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 929700, 929703.